Eighteen-year-old transfer student Su Tang looks like a sweet, adorable girl, but hidden within her is the reincarnated Star-Moon Empress. Raised in loneliness after her parents divorced, she finds comfort in rescuing stray cats. One day, the System binds itself to her and assigns her a mission: pursue the campus heartthrob for a hundred days. The target turns out to be her childhood friend, Gu Chenzhou.
He is cold and taciturn, yet always protects her. She is oblivious and evasive, yet finds herself falling for him again and again.
From sharing a desk at school to secretly married cohabitation, from everyday city life to the arrival of a Western fantasy world, fragments of memory gradually come together: in her previous life, she was an empress, and he was her loyal warrior god.
The System is his obsession; protecting her is his destiny. When her first love returns and a rift in time and space opens, they choose to face life and death together.
Sweet romance with no angst, love going both ways, doted-on daily life, a heroine adored by everyone and a loyal, devoted hero. This love that spans a thousand years will become an eternal vow.
